diff --git a/maven-projects/info/src/main/java/org/apache/graphar/info/type/DataType.java b/maven-projects/info/src/main/java/org/apache/graphar/info/type/DataType.java
index 83c31aec1..d5329338b 100644
--- a/maven-projects/info/src/main/java/org/apache/graphar/info/type/DataType.java
+++ b/maven-projects/info/src/main/java/org/apache/graphar/info/type/DataType.java
@@ -39,7 +39,13 @@ public enum DataType {
     STRING,
 
     /** List of same type */
-    LIST;
+    LIST,
+
+    /** Date value */
+    DATE,
+
+    /** Timestamp value */
+    TIMESTAMP;
 
     public static DataType fromString(String s) {
         switch (s) {
@@ -57,6 +63,10 @@ public static DataType fromString(String s) {
                 return STRING;
             case "list":
                 return LIST;
+            case "date":
+                return DATE;
+            case "timestamp":
+                return TIMESTAMP;
             default:
                 throw new IllegalArgumentException("Unknown data type: " + s);
         }
diff --git a/maven-projects/info/src/test/java/org/apache/graphar/info/PropertyTest.java b/maven-projects/info/src/test/java/org/apache/graphar/info/PropertyTest.java
index 7326ad3c7..78fa86d98 100644
--- a/maven-projects/info/src/test/java/org/apache/graphar/info/PropertyTest.java
+++ b/maven-projects/info/src/test/java/org/apache/graphar/info/PropertyTest.java
@@ -88,6 +88,17 @@ public void testPropertyWithAllDataTypes() {
         Property listProp = TestDataFactory.createProperty("items", DataType.LIST, false, true);
         Assert.assertEquals(DataType.LIST, listProp.getDataType());
         TestVerificationUtils.verifyProperty(listProp, "items", false, true);
+
+        // Newly added data types
+        Property dateProp =
+                TestDataFactory.createProperty("creationDate", DataType.DATE, false, true);
+        Assert.assertEquals(DataType.DATE, dateProp.getDataType());
+        TestVerificationUtils.verifyProperty(dateProp, "creationDate", false, true);
+
+        Property timestampProp =
+                TestDataFactory.createProperty("createdAt", DataType.TIMESTAMP, false, true);
+        Assert.assertEquals(DataType.TIMESTAMP, timestampProp.getDataType());
+        TestVerificationUtils.verifyProperty(timestampProp, "createdAt", false, true);
     }
 
     @Test